Предмет: Алгебра, автор: baigdanovmaksbnhjyu

помогите решить уравнения
12х-4х в квадрате =0
(х-9)(4х+3)-(х-9)(3х-1)=0

Ответы

Автор ответа: utkaVtapkax
0
1)12x-4x2=0
4x(3-x)=0
4x=0. 3-x=0
X=0. X=3

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